Bug 1660944: Raise the timeout limit for jittests on Android hardware…

…; r=bc

The new Cranelift compiler for WebAssembly makes jittest run a bit slower, so
raise the timeout value for those tests, until performance enhancements make it
run faster again.

Differential Revision: https://phabricator.services.mozilla.com/D88973

taskcluster/ci/test/compiled.yml

@@ -101,7 +101,7 @@ jittest:
         by-test-platform:
             windows10-64-ccov/.*: 7200
             macosx.*-ccov/.*: 7200
-            android-hw.*: 4500
+            android-hw.*: 5400
             default: 3600
     mozharness:
         chunked: